Comparative Evaluation of Migrating Anthropogenic Impurities in Ecosystems of the Middle Ob Region through Bioindication and Chemical Analysis

Comparative Evaluation of Migrating Anthropogenic Impurities in Ecosystems of the Middle Ob Region through Bioindication and Chemical Analysis

The study considers the influence of chemical substances contained in naturalwater bodies of Nizhnevartovsk region on the survival and fertility performance of Ceriodaphnia affinis used as a test object. Based on the data of chemical and toxicological analysis of the Ob River samples, the authors have carried out a correlation analysis of all examined indicators. The results of correlation analysis revealed significant positive and negative correlation between biotesting indicators and chemical substances in the examined water samples..